榫槽

榫槽 [sǔn cáo]

1. ■ tongue-and-groove; mortise

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常用词组

1. ■ 榫槽刨 boaster; shoulder plane; bevelling plane;

2. ■ 榫槽机 seat mortising machine;

3. ■ 榫槽铣刀 tonguing cutter